- Severe
- Every episode features casual profanity throughout, both severe and mild.
- Slurs like "faggot", "retard", and the n-word are sometimes used, but infrequently.
- Throughout all of the series, to date the word "shit" has been said 1,707 times, "goddamn" has been said 723 times, "asshole" has been said 141 times and "fuck" has been said 77 times.
- As the show goes on, the word "cunt" is said more and more often, even though it's still pretty infrequent. However, some examples are the episodes: "Hero or Hate Crime?", "The Gang Makes Lethal Weapon 7", and most notably "The Gang Gets Cursed".
- "Fuck" is used infrequently, but is most frequently used in 'A Very Sunny Christmas' (mostly during one scene). Though beginning in Season.12 the word is used more casually.
- The word "fuck" becomes more frequent as the show goes on. Season 16 has the most uses of fuck so far.
- The word "Dammit" is frequently use in every episode.
- Crass sexual terms are sometimes used, such as "dick" or "pussy", but stronger words like "cum", "cocksucker", "cock" and "cunt" are also used infrequently.
- In the beginning of Season 12, no profanity is censored.